]> git.saurik.com Git - bison.git/blobdiff - NEWS
NEWS: fix chronology.
[bison.git] / NEWS
diff --git a/NEWS b/NEWS
index cacdb7702cc0d9803504a5f33b82b317e2fb0a31..2da19c7b834f771e5e07a1c20e232d3e7555c8f9 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -3,42 +3,6 @@ Bison News
 
 * Changes in version ?.? (????-??-??):
 
-** C++ parsers use YYRHSLOC
-
-  Similarly to the C parsers, the C++ parsers now define the YYRHSLOC
-  macro and use it in the default YYLLOC_DEFAULT.  You are encouraged
-  to use it.  If, for instance, your location structure has "first"
-  and "last" members, instead of
-
-      # define YYLLOC_DEFAULT(Current, Rhs, N)                             \
-        do                                                                 \
-          if (N)                                                           \
-            {                                                              \
-              (Current).first = (Rhs)[1].location.first;                   \
-              (Current).last  = (Rhs)[N].location.last;                    \
-            }                                                              \
-          else                                                             \
-            {                                                              \
-              (Current).first = (Current).last = (Rhs)[0].location.last;   \
-            }                                                              \
-        while (false)
-
-  use:
-
-      # define YYLLOC_DEFAULT(Current, Rhs, N)                             \
-        do                                                                 \
-          if (N)                                                           \
-            {                                                              \
-              (Current).first = YYRHSLOC (Rhs, 1).first;                   \
-              (Current).last  = YYRHSLOC (Rhs, N).last;                    \
-            }                                                              \
-          else                                                             \
-            {                                                              \
-              (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last;   \
-            }                                                              \
-        while (false)
-
-
 ** Additional yylex/yyparse arguments
 
   The new directive %param declare additional argument to both yylex
@@ -266,6 +230,48 @@ Bison News
   determine which destructor to call for the lookahead upon a syntax
   error or upon parser return.  This bug has been fixed.
 
+** C++ parsers use YYRHSLOC
+
+  Similarly to the C parsers, the C++ parsers now define the YYRHSLOC
+  macro and use it in the default YYLLOC_DEFAULT.  You are encouraged
+  to use it.  If, for instance, your location structure has "first"
+  and "last" members, instead of
+
+      # define YYLLOC_DEFAULT(Current, Rhs, N)                             \
+        do                                                                 \
+          if (N)                                                           \
+            {                                                              \
+              (Current).first = (Rhs)[1].location.first;                   \
+              (Current).last  = (Rhs)[N].location.last;                    \
+            }                                                              \
+          else                                                             \
+            {                                                              \
+              (Current).first = (Current).last = (Rhs)[0].location.last;   \
+            }                                                              \
+        while (false)
+
+  use:
+
+      # define YYLLOC_DEFAULT(Current, Rhs, N)                             \
+        do                                                                 \
+          if (N)                                                           \
+            {                                                              \
+              (Current).first = YYRHSLOC (Rhs, 1).first;                   \
+              (Current).last  = YYRHSLOC (Rhs, N).last;                    \
+            }                                                              \
+          else                                                             \
+            {                                                              \
+              (Current).first = (Current).last = YYRHSLOC (Rhs, 0).last;   \
+            }                                                              \
+        while (false)
+
+** YYLLOC_DEFAULT in C++
+
+  The default implementation of YYLLOC_DEFAULT used to be issued in
+  the header file.  It is now output in the implementation file, after
+  the user %code sections so that its #ifndef guard does not try to
+  override the user's YYLLOC_DEFAULT if provided.
+
 * Changes in version 2.4.3 (????-??-??):
 
 ** Problems with spawning M4 on at least FreeBSD 8 and FreeBSD 9 have